CN114430217A - Driving motor stator heat jacket device - Google Patents
Driving motor stator heat jacket device Download PDFInfo
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- CN114430217A CN114430217A CN202111622656.3A CN202111622656A CN114430217A CN 114430217 A CN114430217 A CN 114430217A CN 202111622656 A CN202111622656 A CN 202111622656A CN 114430217 A CN114430217 A CN 114430217A
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- tray
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
- H02K15/026—Wound cores
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a driving motor stator shrink fit device which comprises a rack, a Y-direction moving tray mechanism, an X-direction moving tray mechanism, a heating mechanism and a press-fitting mechanism, wherein the Y-direction moving tray mechanism is arranged on the rack; the Y-direction moving tray mechanism is arranged on the rack in a manner of being capable of moving along the Y direction, and the X-direction moving tray mechanism is arranged on the Y-direction moving tray mechanism in a manner of being capable of moving along the X direction; heating mechanism includes first mount and can carry out the heating element who heats to motor housing, pressure equipment mechanism includes the second mount and can fix stator module's pressure equipment subassembly, first mount and second mount are fixed to the interval along X in the frame, heating element sets up with the mode that can follow Z to the removal on the first mount, pressure equipment subassembly sets up with the mode that can follow Z to the removal on the second mount. The invention can ensure the coaxiality of the stator assembly and the motor shell and ensure the assembly quality.
Description
Technical Field
The invention relates to assembly of a driving motor, in particular to a stator shrink fit device of the driving motor.
Background
Along with the rapid development of the new energy automobile industry, the automobile enterprises gradually go deep into the research and development and production of key parts, and core products are completely and independently integrated and self-made. As shown in fig. 1, the driving motor 1 includes a positioning component 11 and a motor housing 12, and under the condition of small-batch production, the conventional stator hot jacket assembly process is manually assembled, firstly, the motor housing 1 is heated to expand, then a hoisting machine is used to install the stator component 11 into the motor housing 12 in a hot jacket manner, and the hot jacket needs to be installed in place in time at one time, so that high requirements on assembly efficiency and success rate are provided. Because the stator assembly 11 and the motor casing 12 of the present driving motor 1 are completely controlled by the manual operation of workers, the workers may have errors during installation, and the assembly quality and the success rate are low.
CN111030398A discloses a new energy automobile water-cooling motor hot jacket assembly machine, includes: the upper end of the workbench is provided with an inner cylinder placing table; the outer cylinder heating table is arranged on the workbench, a heating pipe and a heating cylinder are arranged on the outer cylinder heating table, and the heating pipe is arranged in the heating cylinder; the support frame is arranged on the workbench, a moving assembly is arranged on the support frame, clamping jaws are arranged at the lower end of the moving assembly, and the clamping jaws are located above the heating cylinder. The hot jacket assembly machine of the water-cooled motor of the new energy automobile can heat the outer cylinder of the motor and expand the outer cylinder of the motor, and the inner cylinder and the outer cylinder of the motor can be assembled conveniently.
CN109217592A discloses a motor casing heating shrink fit equipment for new energy automobile, including frame, stator winding assembly devices, stator winding tray, first manipulator, motor casing tray, second manipulator, induction heating mechanism and PLC control system, PLC control system is connected with stator winding assembly devices, first manipulator, second manipulator and induction heating mechanism communication respectively. The equipment not only reduces the labor intensity of operators, but also improves the assembly efficiency of the stator winding.
Needless to say, the technical solutions disclosed in the above two patent documents are a useful attempt in the technical field.
Disclosure of Invention
In view of this, the invention aims to provide a driving motor stator shrink fit device which is simple in structure, simple and convenient to operate, low in labor intensity of workers, high in assembly efficiency, high in assembly success rate, capable of ensuring the coaxiality of a stator assembly and a motor shell and capable of ensuring the assembly quality.
The invention discloses a driving motor stator shrink fit device, which comprises a rack, a Y-direction moving tray mechanism, an X-direction moving tray mechanism, a heating mechanism and a press-fitting mechanism, wherein the Y-direction moving tray mechanism is arranged on the rack; the Y-direction tray moving mechanism is arranged on the rack in a movable mode along the Y direction, and the X-direction tray moving mechanism is arranged on the Y-direction tray moving mechanism in a movable mode along the X direction; heating mechanism includes first mount and can carry out the heating element who heats to motor housing, pressure equipment mechanism includes the second mount and can fix stator module's pressure equipment subassembly, first mount and second mount are fixed to the interval along X in the frame, heating element sets up with the mode that can follow Z to removing on the first mount, pressure equipment subassembly sets up with the mode that can follow Z to removing on the second mount, and heating element and pressure equipment subassembly all are located X is to the top that removes tray mechanism.
Further, the heating mechanism further comprises a first driving assembly, the first driving assembly comprises a first air cylinder, a first guide limiting part, a first guide rod and a first mounting frame for mounting the heating assembly, the first air cylinder is fixed on the first mounting frame, the first air cylinder is provided with a first output shaft extending downwards, the axes of the first output shaft and the first guide rod are along the Z direction, the lower end of the first output shaft and the lower end of the first guide rod are fixedly connected with the first mounting frame, the first guide limiting part is fixed on the first mounting frame, a first guide hole matched with the first guide rod is formed in the middle of the first guide limiting part, the upper end of the first guide rod upwards penetrates through the first guide hole, and the lower end of the first guide limiting part protrudes out of the first mounting frame, the lower end of the first guide limiting part can abut against the first mounting frame.
Further, heating mechanism still includes temperature detect module, temperature detect module includes third cylinder and temperature sensor, the third cylinder is fixed on the first mount, the third cylinder has the third output shaft, temperature sensor with the third output shaft is connected, the third output shaft can drive temperature sensor is close to or keeps away from heating module.
Further, the press-fitting mechanism further comprises a second driving assembly, the second driving assembly comprises a second cylinder, a second guide limiting part, a second guide rod and a second mounting bracket for mounting the press-fitting assembly, the second cylinder is fixed on the second mounting bracket, the second cylinder is provided with a second output shaft extending downwards, the axes of the second output shaft and the second guide rod are along the Z direction, the lower end of the second output shaft and the lower end of the second guide rod are fixedly connected with the second mounting bracket, the second guide limiting part is fixed on the second mounting bracket, a second guide hole matched with the second guide rod is formed in the middle of the second guide limiting part, the upper end of the second guide rod upwards penetrates through the second guide hole, and the lower end of the second guide limiting part protrudes out of the second mounting bracket, the lower end of the second guide limiting part can abut against the first mounting frame.
Further, the press-fitting assembly comprises an inner expansion cylinder, a plurality of positioning blocks and a plurality of auxiliary positioning pieces, the inner expansion cylinder is fixedly connected with the second mounting frame, the inner expansion cylinder is provided with a plurality of clamping jaws capable of moving synchronously along the radial direction, the positioning blocks are connected with the plurality of clamping jaws in a one-to-one correspondence mode, the positioning blocks can stretch into the stator assembly and fix the stator assembly, and the auxiliary positioning pieces are arranged on the lower side of the second mounting frame at intervals along the circumferential direction and can abut against the outer wall of the upper portion of the positioning assembly.
Further, the rack comprises a mounting platform, and a plurality of first guide rails with the length along the Y direction are arranged on the mounting platform; the Y-direction moving tray mechanism comprises a first tray, a handle arranged on the upper side of the first tray and a plurality of first sliding blocks arranged on the lower side of the first tray, and the first sliding blocks are respectively in sliding fit with the first guide rails.
Furthermore, Y-direction locking buckles and Y-direction limiting blocks are arranged on the mounting platform at intervals along the Y direction, and the first tray is located between the Y-direction locking buckles and the Y-direction limiting blocks; the first tray is provided with a locking buckle hanging piece matched with the Y-direction locking buckle, when the Y-direction locking buckle is connected with the locking buckle hanging piece, the first tray is located under the heating assembly and the press-fitting assembly, and when the first tray abuts against the Y-direction limiting block, the first tray is not located under the heating assembly and the press-fitting assembly.
Furthermore, a plurality of second guide rails with the length along the X direction are arranged on the first tray; the X-direction moving tray mechanism comprises a second tray, a fourth cylinder and a plurality of second sliding blocks, the fourth cylinder is provided with a fourth output shaft with the length along the X direction, the fourth output shaft is connected with the second tray, and the second sliding blocks are in sliding fit with the second guide rails respectively.
Further, a first X-direction limiting block and a second X-direction limiting block are arranged on the first tray at intervals along the X direction, and the second tray is located between the first X-direction limiting block and the second X-direction limiting block; when the second tray abuts against the first X-direction limiting block, the position of the second tray in the X-direction corresponds to the press-fitting assembly, and when the second tray abuts against the second X-direction limiting block, the position of the second tray in the X-direction corresponds to the heating assembly.
The stator auxiliary positioning sleeve is detachably connected with the second tray, and a plurality of positioning holes for mounting the stator auxiliary positioning sleeve are formed in the second tray; the second tray is provided with a plurality of positioning pins for positioning the motor shell and a plurality of clamping components for clamping the motor shell.
The invention has the beneficial effects that: (1) according to the invention, the stator component is lifted to the designated position, then the motor shell is heated and moved to the position right below the stator component for press mounting, the slide rail and the slide block are arranged in the moving process to ensure that the moving speed is high and the moving direction is accurate, and meanwhile, the Y-direction locking buckle and the first X-direction limiting block are arranged to ensure that the second tray can be positioned right below the press mounting component, so that the assembling efficiency can be improved, the coaxiality of the stator component and the motor shell can be ensured, and the assembling success rate is high; (2) the stator auxiliary positioning sleeve, the positioning pin and the clamping assembly are arranged on the second tray and have the same reference standard, so that the coaxiality of the stator assembly and the motor shell can be further ensured; (3) the first driving assembly and the second driving assembly are provided with the guide structures, so that the moving precision is high, the coaxiality of the stator assembly and the motor shell is further ensured, and the assembling quality is ensured; (4) according to the invention, the Y-direction locking buckle and the second X-direction limiting block can ensure that the second tray can be positioned under the heating assembly, and the heating assembly can be ensured to extend into the motor shell for heating; (5) the first tray can be prevented from falling off through the Y-direction limiting block, the second tray can be guaranteed to move to the position above which a shielding object does not exist, and feeding and discharging through a manipulator or a hoisting machine are facilitated; (6) the induction coil is adopted for heating, and the temperature sensor for detecting the motor shell in real time is arranged, so that the temperature of the motor shell can meet the requirement; (7) the invention has simple structure, simple operation, low labor intensity of workers and universality.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic view of the structure of the assembled driving motor
FIG. 2 is a schematic structural view of the present invention (with the press-fit assembly now attached to the stator assembly);
FIG. 3 is a schematic view of the present invention (with the stator assembly pressed into the motor housing);
FIG. 4 is a schematic structural view of the frame of the present invention;
FIG. 5 is a schematic view of the structure of the Y-direction tray moving mechanism of the present invention engaged with the frame;
FIG. 6 is a schematic structural view of the X-direction tray moving mechanism and the Y-direction tray moving mechanism of the present invention;
FIG. 7 is a schematic structural view of a heating mechanism of the present invention;
FIG. 8 is a schematic structural view of the press-fitting mechanism of the present invention;
FIG. 9 is a schematic view of the pneumatic tubing connection of the present invention.
The drawings are numbered as follows:
1-driving motor, 11-stator component, 12-motor shell;
2-a frame, 21-an installation platform, 22-a first guide rail, 23-Y direction locking buckles, 24-Y direction limiting blocks, 25-a first air valve, 26-a second air valve, 27-a third air valve and 28-a fourth air valve;
3-Y direction moving tray mechanism, 31-first tray, 32-handle, 33-locking fastener, 34-second guide rail, 35-first X direction limiting block, 36-second X direction limiting block;
4-X direction moving tray mechanism, 41-second tray, 42-positioning hole, 43-positioning pin, 44-clamping component, 45-fourth cylinder;
5-a heating mechanism, 51-a first fixing frame, 52-a heating component, 53-a first air cylinder, 531-a first output shaft, 54-a first guide limiting part, 55-a first guide rod, 56-a first mounting frame, 57-a third air cylinder and 58-a temperature sensor;
6-press mounting mechanism, 61-second fixing frame, 62-press mounting assembly, 621-internal expansion cylinder, 622-positioning block, 623-auxiliary positioning element, 63-second cylinder, 631-second output shaft, 64-second guide limiting element, 65-second guide rod and 66-second mounting frame;
7-stator auxiliary positioning sleeve.
Detailed Description
As shown in fig. 2 to 8, the stator shrink fit device of the driving motor in the present embodiment includes a frame 2, and further includes a Y-direction moving tray mechanism 3, an X-direction moving tray mechanism 4, a heating mechanism 5, and a press-fitting mechanism 6; a Y-direction moving tray mechanism 3 provided on the frame 2 so as to be movable in the Y-direction, and an X-direction moving tray mechanism 4 provided on the Y-direction moving tray mechanism 3 so as to be movable in the X-direction; the heating mechanism 5 comprises a first fixing frame 51 and a heating assembly 52 capable of heating the motor shell 12, the press-fitting mechanism 6 comprises a second fixing frame 61 and a press-fitting assembly 62 capable of fixing the stator assembly 11, the first fixing frame 51 and the second fixing frame 61 are fixed on the machine frame 2 at intervals along the X direction, the heating assembly 52 is arranged on the first fixing frame 51 in a mode of being capable of moving along the Z direction, the press-fitting assembly 62 is arranged on the second fixing frame 61 in a mode of being capable of moving along the Z direction, and the heating assembly 52 and the press-fitting assembly 62 are both located above the X direction moving tray mechanism 4.
In this embodiment, as shown in fig. 2, 3 and 7, the heating mechanism 5 further includes a first driving assembly, the first driving assembly includes a first air cylinder 53, a first guiding limiting member 54, a first guiding rod 55 and a first mounting bracket 56 for mounting the heating assembly 52, the first air cylinder 53 is fixed on the first mounting bracket 51, the first air cylinder 53 has a first output shaft 531 extending downward, axes of the first output shaft 531 and the first guiding rod 55 are both along the Z direction, a lower end of the first output shaft 531 and a lower end of the first guiding rod 55 are both fixedly connected with the first mounting bracket 56, the first guiding limiting member 54 is fixed on the first mounting bracket 51, a first guiding hole for being matched with the first guiding rod 55 is formed in a middle portion of the first guiding limiting member 54, an upper end of the first guiding rod 55 passes through the first guiding hole upward, a lower end of the first guiding limiting member 54 protrudes out of the first mounting bracket 51, the lower end of the first guide limiting member 54 can abut against the first mounting bracket 56. The first cylinder 53 may be a linear cylinder of type MB1K80-400Z and the heating element 52 may be an induction coil.
In this embodiment, as shown in fig. 2, 3 and 7, the heating mechanism 5 further includes a temperature detecting component, the temperature detecting component includes a third cylinder 57 and a temperature sensor 58, the third cylinder 57 is fixed on the first fixing frame 51, the third cylinder 57 has a third output shaft, the temperature sensor 58 is connected with the third output shaft, and the third output shaft can drive the temperature sensor 58 to approach or be far away from the heating component 52. The third cylinder 57 may be a linear cylinder of type RQA32-75 and the temperature sensor 58 may be a PT100 cylinder.
In this embodiment, as shown in fig. 2, 3 and 8, the press-fitting mechanism 6 further includes a second driving assembly, the second driving assembly includes a second cylinder 63, a second guide limiting member 64, a second guide rod 65 and a second mounting bracket 66 for mounting the press-fitting assembly 62, the second cylinder 63 is fixed on the second mounting bracket 61, the second cylinder 63 has a second output shaft 631 extending downward, axes of the second output shaft 631 and the second guide rod 65 are both along the Z direction, a lower end of the second output shaft 631 and a lower end of the second guide rod 65 are both fixedly connected with the second mounting bracket 66, the second guide limiting member 64 is fixed on the second mounting bracket 61, a second guide hole for being matched with the second guide rod 65 is formed in a middle portion of the second guide limiting member 64, an upper end of the second guide rod 65 passes through the second guide hole upward, a lower end of the second guide limiting member 64 protrudes out of the second mounting bracket 61, the lower end of the second guide limiting member 64 can abut against the first mounting bracket 56. The second cylinder 63 may be a linear cylinder of type MB1K 80-400Z.
In this embodiment, as shown in fig. 2, fig. 3 and fig. 8, the press-fitting assembly 62 includes an inward-expanding cylinder 621, a plurality of positioning blocks 622 and a plurality of auxiliary positioning elements 623, the inward-expanding cylinder 621 is fixedly connected to the second mounting frame 66, the inward-expanding cylinder 621 has a plurality of jaws capable of moving synchronously in the radial direction, the positioning blocks 622 are respectively connected to the jaws in a one-to-one correspondence manner, the positioning blocks 622 can extend into the stator assembly 11 and fix the stator assembly, the auxiliary positioning elements 623 are arranged at the lower side of the second mounting frame 66 at intervals in the circumferential direction, and the auxiliary positioning elements 623 can abut against the outer wall of the upper portion of the positioning assembly. The internal expansion cylinder 621 can be a clamping jaw cylinder or a finger cylinder, and can select a clamping jaw cylinder with the model number of MHS 3-63D.
In this embodiment, as shown in fig. 2 to 4, the frame 2 includes a mounting platform 21, and a plurality of first guide rails 22 with lengths along the Y direction are disposed on the mounting platform 21; the Y-direction moving tray mechanism 3 includes a first tray 31, a handle 32 provided on an upper side of the first tray 31, and a plurality of first sliders provided on a lower side of the first tray 31, the plurality of first sliders being slidably fitted to the plurality of first guide rails 22, respectively.
In this embodiment, as shown in fig. 2, 3 and 5, Y-direction locking buckles 23 and Y-direction stoppers 24 are arranged on the mounting platform 21 at intervals along the Y-direction, and the first tray 31 is located between the Y-direction locking buckles 23 and the Y-direction stoppers 24; the first tray 31 is provided with a locking buckle hanging piece 33 matched with the Y-direction locking buckle 23, when the Y-direction locking buckle 23 is connected with the locking buckle hanging piece 33, the first tray 31 is positioned under the heating assembly 52 and the press-fitting assembly 62, and when the first tray 31 abuts against the Y-direction limiting block 24, the first tray 31 is not positioned under the heating assembly 52 and the press-fitting assembly 62.
In this embodiment, as shown in fig. 2, 3 and 6, a plurality of second guide rails 34 with lengths along the X direction are disposed on the first tray 31; the X-direction moving tray mechanism 4 includes a second tray 41, a fourth cylinder 45 and a plurality of second sliding blocks, the fourth cylinder 45 has a fourth output shaft with a length along the X-direction, the fourth output shaft is connected with the second tray 41, and the plurality of second sliding blocks are respectively in sliding fit with the plurality of second guide rails 34.
In this embodiment, as shown in fig. 2, 3 and 6, a first X-direction stopper 35 and a second X-direction stopper 36 are arranged on the first tray 31 at intervals in the X direction, and the second tray 41 is located between the first X-direction stopper 35 and the second X-direction stopper 36; when the second tray 41 abuts against the first X-direction stopper 35, the position of the second tray 41 in the X-direction corresponds to the press-fitting assembly 62, and when the second tray 41 abuts against the second X-direction stopper 36, the position of the second tray 41 in the X-direction corresponds to the heating assembly 52.
In this embodiment, as shown in fig. 2, 3 and 6, the stator positioning device further includes a stator auxiliary positioning sleeve 7 detachably connected to the second tray 41, and the second tray 41 is provided with a plurality of positioning holes 42 for installing the stator auxiliary positioning sleeve 7; the second tray 41 is provided with a plurality of positioning pins 43 for positioning the motor housing 12 and a plurality of clamping members 44 for clamping the motor housing 12.
In this embodiment, as shown in fig. 4 and 9, the frame 2 is further provided with a first air valve 25, a second air valve 26, a third air valve 27 and a fourth air valve 28, the first air valve 25 can control the compressed air to enter and exit the first cylinder 53 and the third cylinder 57, the second air valve 26 can control the compressed air to enter and exit the second cylinder 63, the third air valve 27 can control the compressed air to enter and exit the inner expanding cylinder 621, and the fourth air valve 28 can control the compressed air to enter and exit the fourth cylinder 45.
When in use, the method comprises the following steps:
s1, manually moving the first tray 31 through the handle 32 by a worker to enable the first tray 31 to abut against the Y-direction limiting block 24 and enable the first tray 31 and the second tray 41 to approach the worker, wherein no shielding object exists above the second tray 41; the fourth air valve 28 and the fourth air cylinder 45 enable the second tray 41 to abut against the first X-direction limiting block 35, and at the moment, the position of the second tray 41 in the X-direction corresponds to the press-fitting assembly 62;
s2, installing a positioning auxiliary positioning sleeve, then installing the stator assembly 11 into the positioning auxiliary positioning sleeve by a manipulator or a hoisting machine, manually moving the first tray 31 by a worker through the handle 32 to connect the Y-direction locking buckle 23 with the locking buckle hanging member 33, positioning the first tray 31 right under the heating assembly 52 and the press-fitting assembly 62, and positioning the second tray 41 and the stator assembly 11 right under the press-fitting assembly 62;
s3, the second mounting frame 66 is moved downwards along the Z direction through the second air valve 26 and the second air cylinder 63, so that the jaws of the positioning block 622 and the inward expansion air cylinder 621 extend into the positioning assembly, and the auxiliary positioning pieces 623 can abut against the outer wall of the upper part of the positioning assembly;
s4, moving the positioning blocks 622 back to the radial direction through the third air valve 27 and the internal expanding cylinder 621, so that the positioning blocks 622 respectively abut against the inner walls of the positioning assemblies, thereby clamping the positioning assemblies, as shown in fig. 2;
s5, moving the second mounting bracket 66 upward along the Z direction through the second air valve 26 and the second air cylinder 63, so that the press-fitting assembly 62 drives the positioning assembly to move upward from the stator auxiliary positioning sleeve 7 to the upper part of the second mounting bracket 61, and keeps a sufficient distance from the second tray 41;
s6, unlocking the Y-direction locking buckle 23 and the locking buckle hanging member 33, and manually moving the first tray 31 by the worker through the handle 32 to make the first tray 31 abut against the Y-direction limiting block 24, so that the first tray 31 and the second tray 41 approach the worker, and at this time, no shielding object exists above the second tray 41;
s7, mounting the motor housing 12 by a manipulator or a hoisting machine, so that the holes on the motor housing 12 are matched with the positioning pins 43, then clamping the motor housing 12 by a plurality of clamping assemblies 44, manually moving the first tray 31 by a worker through the handle 32, connecting the Y-direction locking buckle 23 with the locking buckle hanging member 33, positioning the first tray 31 right below the heating assembly 52 and the press-fitting assembly 62, and positioning the second tray 41 and the motor housing 12 right below the press-fitting assembly 62;
s8, the fourth air valve 28 and the fourth air cylinder 45 enable the second tray 41 to abut against the second X-direction limiting block 36, and at the moment, the position of the second tray 41 in the X-direction corresponds to the heating assembly 52;
s9, the heating assembly 52 moves downwards along the Z direction through the first air valve 25, the first air cylinder 53 and the third air cylinder 57 and extends into the motor shell 12, and the temperature sensor 58 is close to the motor shell 12;
s10, the heating device control system energizes the induction coil to heat the motor housing 12 via the heating element 52, the temperature sensor 58 sends a real-time temperature value signal of the motor housing 12 to the heating device control system, and when the temperature sensor 58 detects that the temperature of the motor housing 12 reaches a predetermined threshold, the heating device control system de-energizes the induction coil to stop heating the heating element 52; the heating assembly 52 is moved from the inside of the motor housing 12 to the outside of the motor housing 12 in the Z direction downward and upward through the first air valve 25, the first air cylinder 53 and the third air cylinder 57, and the temperature sensor 58 is far away from the motor housing 12; the predetermined threshold may be 160 ℃;
s11, the second tray 41 abuts against the first X-direction stopper 35 through the fourth air valve 28 and the fourth air cylinder 45, at this time, the position of the second tray 41 in the X-direction corresponds to the press-fitting component 62, so that the motor housing 12 is located right below the stator assembly 11, then the second mounting bracket 66 moves downward along the Z-direction through the second air valve 26 and the second air cylinder 63, so that the stator assembly 11 is pressed into the motor housing 12, when the lower end surface of the second mounting bracket 66 abuts against the upper end surface of the motor housing 12, the press-fitting of the stator assembly 11 and the motor housing 12 is completed, and the driving motor 1 is assembled, as shown in fig. 3;
s12, after the product is cooled, the positioning blocks 622 are moved radially toward each other by the third air valve 27 and the internal expanding cylinder 621, so that the positioning blocks 622 release the positioning components respectively; the second mounting frame 66 is moved upwards along the Z direction through the second air valve 26 and the second air cylinder 63, so that the press-fitting assembly 62 drives the positioning assembly to move upwards from the stator auxiliary positioning sleeve 7 to the upper part of the second fixing frame 61, and a sufficient distance is kept between the press-fitting assembly and the driving motor 1;
s13, the Y-direction locking buckle 23 and the locking buckle hanging member 33 are unlocked, the worker moves the first tray 31 manually through the handle 32, the first tray 31 abuts against the Y-direction limiting block 24, the first tray 31 and the second tray 41 approach the worker, the driving motor 1 is positioned on the second tray 41, the plurality of clamping assemblies 44 release the motor housing 12, no shielding object exists above the driving motor 1, and the driving motor 1 is removed through a manipulator or a hoisting machine.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The utility model provides a driving motor stator shrink fit device, includes frame (2), its characterized in that: the tray moving mechanism (3) in the Y direction, the tray moving mechanism (4) in the X direction, the heating mechanism (5) and the press-fitting mechanism (6) are further included; the Y-direction moving tray mechanism (3) is arranged on the rack (2) in a manner of being capable of moving along the Y direction, and the X-direction moving tray mechanism (4) is arranged on the Y-direction moving tray mechanism (3) in a manner of being capable of moving along the X direction; the heating mechanism (5) comprises a first fixing frame (51) and a heating assembly (52) capable of heating the motor shell (12), the press-fitting mechanism (6) comprises a second fixing frame (61) and a press-fitting assembly (62) capable of fixing the stator assembly (11), the first fixing frame (51) and the second fixing frame (61) are fixed on the rack (2) at intervals along the X direction, the heating assembly (52) is arranged on the first fixing frame (51) in a mode capable of moving along the Z direction, the press-fitting assembly (62) is arranged on the second fixing frame (61) in a mode capable of moving along the Z direction, and the heating assembly (52) and the press-fitting assembly (62) are both located above the X direction moving tray mechanism (4).
2. The drive motor stator shrink fit apparatus of claim 1, wherein: the heating mechanism (5) further comprises a first driving assembly, the first driving assembly comprises a first air cylinder (53), a first guide limiting piece (54), a first guide rod (55) and a first mounting frame (56) used for mounting the heating assembly (52), the first air cylinder (53) is fixed on the first mounting frame (51), the first air cylinder (53) is provided with a first output shaft (531) extending downwards, the axes of the first output shaft (531) and the first guide rod (55) are along the Z direction, the lower end of the first output shaft (531) and the lower end of the first guide rod (55) are fixedly connected with the first mounting frame (56), the first guide limiting piece (54) is fixed on the first mounting frame (51), and a first guide hole used for being matched with the first guide rod (55) is formed in the middle of the first guide limiting piece (54), the upper end of the first guide rod (55) upwards penetrates through the first guide hole, the lower end of the first guide limiting piece (54) protrudes out of the first fixing frame (51), and the lower end of the first guide limiting piece (54) can abut against the first mounting frame (56).
3. The drive motor stator shrink fit apparatus of claim 2, wherein: heating mechanism (5) still includes temperature detect subassembly, temperature detect subassembly includes third cylinder (57) and temperature sensor (58), third cylinder (57) are fixed on first mount (51), third cylinder (57) have the third output shaft, temperature sensor (58) with the third output shaft is connected, the third output shaft can drive temperature sensor (58) are close to or keep away from heating subassembly (52).
4. The drive motor stator shrink fit apparatus of claim 1, wherein: the press-fitting mechanism (6) further comprises a second driving assembly, the second driving assembly comprises a second air cylinder (63), a second guide limiting piece (64), a second guide rod (65) and a second mounting frame (66) used for mounting the press-fitting assembly (62), the second air cylinder (63) is fixed on the second mounting frame (61), the second air cylinder (63) is provided with a second output shaft (631) extending downwards, the axes of the second output shaft (631) and the second guide rod (65) are along the Z direction, the lower end of the second output shaft (631) and the lower end of the second guide rod (65) are fixedly connected with the second mounting frame (66), the second guide limiting piece (64) is fixed on the second mounting frame (61), and a second guide hole used for being matched with the second guide rod (65) is formed in the middle of the second guide limiting piece (64), the upper end of the second guide rod (65) upwards penetrates through the second guide hole, the lower end of the second guide limiting piece (64) protrudes out of the second fixing frame (61), and the lower end of the second guide limiting piece (64) can abut against the first mounting frame (56).
5. The drive motor stator shrink fit apparatus of claim 4, wherein: pressure equipment subassembly (62) are including internal expanding cylinder (621), a plurality of locating piece (622) and a plurality of auxiliary positioning spare (623), internal expanding cylinder (621) and second mounting bracket (66) fixed connection, internal expanding cylinder (621) have a plurality of jack catchs that can follow radial synchronous motion, and are a plurality of locating piece (622) respectively with a plurality of the jack catch one-to-one is connected, and is a plurality of locating piece (622) can stretch into stator module (11) inside and fix it, and is a plurality of auxiliary positioning spare (623) set up along circumference interval the downside of second mounting bracket (66), and is a plurality of auxiliary positioning spare (623) all can support and lean on the outer wall on locating component's upper portion.
6. The drive motor stator shrink fit apparatus of claim 1, wherein: the rack (2) comprises a mounting platform (21), and a plurality of first guide rails (22) with the length along the Y direction are arranged on the mounting platform (21); the Y-direction moving tray mechanism (3) comprises a first tray (31), a handle (32) arranged on the upper side of the first tray (31) and a plurality of first sliding blocks arranged on the lower side of the first tray (31), and the first sliding blocks are respectively in sliding fit with the first guide rails (22).
7. The drive motor stator shrink fit apparatus of claim 6, wherein: y-direction locking buckles (23) and Y-direction limiting blocks (24) are arranged on the mounting platform (21) at intervals along the Y direction, and the first tray (31) is located between the Y-direction locking buckles (23) and the Y-direction limiting blocks (24); the Y-direction locking buckle is characterized in that a locking buckle hanging piece (33) matched with the Y-direction locking buckle (23) is arranged on the first tray (31), when the Y-direction locking buckle (23) is connected with the locking buckle hanging piece (33), the first tray (31) is located under the heating assembly (52) and the press-fitting assembly (62), and when the first tray (31) abuts against the Y-direction limiting block (24), the first tray (31) is not located under the heating assembly (52) and the press-fitting assembly (62).
8. The drive motor stator shrink fit apparatus of claim 6, wherein: a plurality of second guide rails (34) with the length along the X direction are arranged on the first tray (31); the X-direction moving tray mechanism (4) comprises a second tray (41), a fourth air cylinder (45) and a plurality of second sliding blocks, the fourth air cylinder (45) is provided with a fourth output shaft with the length along the X direction, the fourth output shaft is connected with the second tray (41), and the second sliding blocks are in sliding fit with the second guide rails (34) respectively.
9. The drive motor stator shrink fit apparatus of claim 8, wherein: a first X-direction limiting block (35) and a second X-direction limiting block (36) are arranged on the first tray (31) at intervals along the X direction, and the second tray (41) is located between the first X-direction limiting block (35) and the second X-direction limiting block (36); when the second tray (41) abuts against the first X-direction limiting block (35), the position of the second tray (41) in the X-direction corresponds to the press-fitting assembly (62), and when the second tray (41) abuts against the second X-direction limiting block (36), the position of the second tray (41) in the X-direction corresponds to the heating assembly (52).
10. The drive motor stator shrink fit apparatus of claim 8, wherein: the stator positioning device further comprises a stator auxiliary positioning sleeve (7) detachably connected with the second tray (41), and a plurality of positioning holes (42) used for installing the stator auxiliary positioning sleeve (7) are formed in the second tray (41); the second tray (41) is provided with a plurality of positioning pins (43) for positioning the motor shell (12) and a plurality of clamping components (44) for clamping the motor shell (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111622656.3A CN114430217B (en) | 2021-12-28 | 2021-12-28 | Stator hot sleeve device of driving motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111622656.3A CN114430217B (en) | 2021-12-28 | 2021-12-28 | Stator hot sleeve device of driving motor |
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| CN114430217A true CN114430217A (en) | 2022-05-03 |
| CN114430217B CN114430217B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111622656.3A Active CN114430217B (en) | 2021-12-28 | 2021-12-28 | Stator hot sleeve device of driving motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117081338A (en) * | 2023-08-16 | 2023-11-17 | 小米汽车科技有限公司 | Motor assembling equipment and method |
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| Publication number | Publication date |
|---|---|
| CN114430217B (en) | 2023-05-23 |
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Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |